/*
 * @Description: 
 * @Autor: zhangbing
 * @Date: 2021-07-28 21:08:40
 * @LastEditors: zhangbing
 * @LastEditTime: 2021-07-28 21:10:28
 */

const PLUS = 'PLUS'
const MINUS = 'MINUS'

export {
    PLUS,
    MINUS
}
